Reply to: Maternal capacity, twinning and fertility: the last birth matters
To illuminate why twinning occurs in humans 1, despite its threatening the health both of
mothers 2 and their children 3, 4, we analysed the relationship between twinning and fertility …
mothers 2 and their children 3, 4, we analysed the relationship between twinning and fertility …
An age-dependent ovulatory strategy explains the evolution of dizygotic twinning in humans
Dizygotic twinning, the simultaneous birth of siblings when multiple ova are released, is an
evolutionary paradox. Twin-bearing mothers often have elevated fitness, but despite …
evolutionary paradox. Twin-bearing mothers often have elevated fitness, but despite …
Mothers with higher twinning propensity had lower fertility in pre-industrial Europe
Historically, mothers producing twins gave birth, on average, more often than non-twinners.
This observation has been interpreted as twinners having higher intrinsic fertility–a tendency …
This observation has been interpreted as twinners having higher intrinsic fertility–a tendency …
Parity progression ratios confirm higher lifetime fertility in women who bear twins
We appreciate the comments by Rickard et al.[1] of our recent paper which evaluated the
effects of bearing twins on maternal reproduction and survival using a large sample of …
effects of bearing twins on maternal reproduction and survival using a large sample of …
Modelling for the inheritance of multiple births and fertility in endangered equids: Determining risk factors and genetic parameters in donkeys (Equus asinus)
Multiple births or twinning in equids are dangerous, undesirable situations that compromise
the life of the dam and resulting offspring. However, embryo vitrification and freezing …
the life of the dam and resulting offspring. However, embryo vitrification and freezing …
Twin births in Jordan: incidence, trends, risk factors and implications for under-five mortality: evidence from the 2012 Jordan Population and Family Health Survey
MM Islam, U Marium - Journal of Biosocial Science, 2019 - cambridge.org
Research on twinning in developed countries is well documented, but little is known about
twinning in less-developed countries due to a lack of data or data limitations. This study …
twinning in less-developed countries due to a lack of data or data limitations. This study …
[PDF][PDF] The evolutionary puzzle of human twinship
Natural selection should favor litter sizes that optimize trade-offs between brood-size and
offspring viability. Across the primate order, modal litter size is one, suggesting a deep …
offspring viability. Across the primate order, modal litter size is one, suggesting a deep …
Modelling for the Inheritance of Endangered Equid Multiple Births and Fertility: Determining Risk Factors and Genetic Parameters in Donkeys (Equus asinus)
FJN González, JJ Vidal, AK McLean, JML Jurado… - 2018 - preprints.org
Multiple births or twinning in equids are dangerous, undesirable situations that compromise
the life of the dam and resulting offspring. However, embryo vitrification and freezing …
the life of the dam and resulting offspring. However, embryo vitrification and freezing …